[U-Boot] [PATCH 10/15] x86: spi: Set maximum write size for ICH

This SPI controller can only write 64 bytes at a time. Add this restriction in so that 'sf write' works correct for blocks larger than 64 bytes.

Signed-off-by: Simon Glass sjg@chromium.org --- drivers/spi/ich.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c index 31f9482..17defa4 100644 --- a/drivers/spi/ich.c +++ b/drivers/spi/ich.c @@ -166,6 +166,11 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, return NULL; }

+ /* + * Yes this controller can only write a small number of bytes at + * once! The limit is typically 64 bytes. + */ + ich->slave.max_write_size = ctlr.databytes; ich->speed = max_hz;

return &ich->slave;